/****************************************************************************
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** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of the test suite of the Qt Toolkit.
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** General Public License version 3 as published by the Free Software
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#ifndef MEDIAFILESELECTOR_H
#define MEDIAFILESELECTOR_H

#include <QUrl>
#include <QMediaPlayer>
#include <QAudioOutput>
#include <qsignalspy.h>
#include <qfileinfo.h>
#include <qtest.h>

QT_BEGIN_NAMESPACE

namespace MediaFileSelector {

static QUrl selectMediaFile(const QStringList& mediaCandidates)
{
    QMediaPlayer player;
    QAudioOutput output;
    player.setAudioOutput(&output);

    QSignalSpy errorSpy(&player, SIGNAL(errorOccurred(QMediaPlayer::Error, const QString&)));

    for (const QString &s : mediaCandidates) {
        QFileInfo mediaFile(s);
        if (!mediaFile.exists())
            continue;
        QUrl media = QUrl::fromLocalFile(mediaFile.absoluteFilePath());
        player.setSource(media);
        player.play();

        for (int i = 0; i < 2000 && player.mediaStatus() != QMediaPlayer::BufferedMedia && errorSpy.isEmpty(); i+=50) {
            QTest::qWait(50);
        }

        if (player.mediaStatus() == QMediaPlayer::BufferedMedia && errorSpy.isEmpty()) {
            return media;
        }
        errorSpy.clear();
    }

    return QUrl();
}

} // MediaFileSelector namespace

QT_END_NAMESPACE

#endif

